TM 5-3895-370-14&P
Table 4-4. Unit Troubleshooting Procedures - CONT.
Malfunction
Test or inspection
Corrective action
ENGINE (CONT)
11. ENGINE OPERATING TEMPERATURE TOO LOW.
Step 1. Remove and test thermostat (para 4-55).
If thermostat does not pass test, replace thermostat.
If thermostat passes test, go to step 2.
Step 2. Remove temperature sensor (para 4-148) and test sensor according to TM 750-254.
If temperature sensor fails test, replace temperature sensor and gage (para 4-148).
If temperature sensor passes test, go to step 3.
Step 3. Check continuity across temperature gage.
If there is no continuity, replace temperature gage and sensor (para 4-148).
If there is continuity, fault not corrected. Notify supervisor.
12. ENGINE OIL PRESSURE TOO HIGH.
Step 1. Check continuity across oil pressure gage.
If there is no continuity, replace oil gage (para 4-69).
If there is continuity, go to step 2.
Step 2. Remove and inspect oil filter for damage and clogging (para 4-30).
If oil filter is damaged or clogged, replace oil filter.
If oil filter is not damaged or clogged, fault not corrected. Notify supervisor.
13. ENGINE OIL PRESSURE TOO LOW.
Step 1. Check coolant for oil.
If oil is present, replace coolant (para 4-56) and oil cooler (para 4-31).
If oil is not present, go to step 2.
4-22
